feat: 更新内容管理功能，支持价格为可选字段，添加状态管理及媒体计数显示

backend/app/http/v1/dto/creator.go

@@ -38,7 +38,8 @@ type ContentUpdateForm struct {
 	Title    string   `json:"title"`
 	Genre    string   `json:"genre"`
 	Key      string   `json:"key"`
-	Price    float64  `json:"price"`
+	Price    *float64 `json:"price"`
+	Status   string   `json:"status"`
 	CoverIDs []string `json:"cover_ids"`
 	MediaIDs []string `json:"media_ids"`
 }
@@ -64,6 +65,11 @@ type CreatorContentItem struct {
 	Price       float64 `json:"price"`
 	Views       int     `json:"views"`
 	Likes       int     `json:"likes"`
+	Cover       string  `json:"cover"`
+	ImageCount  int     `json:"image_count"`
+	VideoCount  int     `json:"video_count"`
+	AudioCount  int     `json:"audio_count"`
+	Status      string  `json:"status"`
 	IsPurchased bool    `json:"is_purchased"`
 }
 

backend/app/services/creator.go

@@ -117,7 +117,12 @@ func (s *creator) ListContents(
 		q = q.Where(tbl.Title.Like("%" + *filter.Keyword + "%"))
 	}
 
-	list, err := q.Order(tbl.CreatedAt.Desc()).Find()
+	var list []*models.Content
+	err = q.Order(tbl.CreatedAt.Desc()).
+		UnderlyingDB().
+		Preload("ContentAssets").
+		Preload("ContentAssets.Asset").
+		Find(&list).Error
 	if err != nil {
 		return nil, errorx.ErrDatabaseError.WithCause(err)
 	}
@@ -137,6 +142,38 @@ func (s *creator) ListContents(
 
 	var data []creator_dto.CreatorContentItem
 	for _, item := range list {
+		var imageCount, videoCount, audioCount int
+		var cover string
+		var firstImage string
+
+		for _, ca := range item.ContentAssets {
+			if ca.Asset == nil {
+				continue
+			}
+
+			// Count logic
+			switch ca.Asset.Type {
+			case consts.MediaAssetTypeImage:
+				imageCount++
+				if firstImage == "" {
+					firstImage = Common.GetAssetURL(ca.Asset.ObjectKey)
+				}
+			case consts.MediaAssetTypeVideo:
+				videoCount++
+			case consts.MediaAssetTypeAudio:
+				audioCount++
+			}
+
+			// Cover logic
+			if ca.Role == consts.ContentAssetRoleCover && cover == "" {
+				cover = Common.GetAssetURL(ca.Asset.ObjectKey)
+			}
+		}
+
+		if cover == "" {
+			cover = firstImage
+		}
+
 		data = append(data, creator_dto.CreatorContentItem{
 			ID:          cast.ToString(item.ID),
 			Title:       item.Title,
@@ -145,6 +182,11 @@ func (s *creator) ListContents(
 			Price:       priceMap[item.ID],
 			Views:       int(item.Views),
 			Likes:       int(item.Likes),
+			Cover:       cover,
+			ImageCount:  imageCount,
+			VideoCount:  videoCount,
+			AudioCount:  audioCount,
+			Status:      string(item.Status),
 			IsPurchased: false,
 		})
 	}
@@ -239,34 +281,40 @@ func (s *creator) UpdateContent(
 		}
 
 		// 2. Update Content
-		_, err = tx.Content.WithContext(ctx).Where(tx.Content.ID.Eq(cid)).Updates(&models.Content{
+		contentUpdates := &models.Content{
 			Title: form.Title,
 			Genre: form.Genre,
 			Key:   form.Key,
-		})
+		}
+		if form.Status != "" {
+			contentUpdates.Status = consts.ContentStatus(form.Status)
+		}
+		_, err = tx.Content.WithContext(ctx).Where(tx.Content.ID.Eq(cid)).Updates(contentUpdates)
 		if err != nil {
 			return err
 		}
 
 		// 3. Update Price
 		// Check if price exists
-		count, _ := tx.ContentPrice.WithContext(ctx).Where(tx.ContentPrice.ContentID.Eq(cid)).Count()
-		newPrice := int64(form.Price * 100)
-		if count > 0 {
-			_, err = tx.ContentPrice.WithContext(ctx).
-				Where(tx.ContentPrice.ContentID.Eq(cid)).
-				UpdateSimple(tx.ContentPrice.PriceAmount.Value(newPrice))
-		} else {
-			err = tx.ContentPrice.WithContext(ctx).Create(&models.ContentPrice{
-				TenantID:    tid,
-				UserID:      c.UserID,
-				ContentID:   cid,
-				PriceAmount: newPrice,
-				Currency:    consts.CurrencyCNY,
-			})
-		}
-		if err != nil {
-			return err
+		if form.Price != nil {
+			count, _ := tx.ContentPrice.WithContext(ctx).Where(tx.ContentPrice.ContentID.Eq(cid)).Count()
+			newPrice := int64(*form.Price * 100)
+			if count > 0 {
+				_, err = tx.ContentPrice.WithContext(ctx).
+					Where(tx.ContentPrice.ContentID.Eq(cid)).
+					UpdateSimple(tx.ContentPrice.PriceAmount.Value(newPrice))
+			} else {
+				err = tx.ContentPrice.WithContext(ctx).Create(&models.ContentPrice{
+					TenantID:    tid,
+					UserID:      c.UserID,
+					ContentID:   cid,
+					PriceAmount: newPrice,
+					Currency:    consts.CurrencyCNY,
+				})
+			}
+			if err != nil {
+				return err
+			}
 		}
 
 		// 4. Update Assets (Full replacement strategy)